Improvement in the manufacture of silvered glassware



UNITED STATES PATENT Grains,

JOHN W. HAINES, OF SOMERVILLE, MASSACHUSETTS.

IMPROVEMENT IN THE MANUFACTURE OF SILVERED GLASSWARE,

Specification forming part of Letters Patent- No. 17,948, dated May L0,1865.

To all whom it may concern Be it known that I, JOHN W. HAINES, of

'Somerville, in the'county of Middlesex and State of Massachusetts, haveinvented a new Mode of Stoppering Silvered Glassware, consisting of ametallic stopper which protects the silver lining or the inside ofdouble glass- Ware from air, thereby retaining the silver cast; and I dohereby declare that the following is a full and exact descriptionthereof, reference being had to the accompanying drawing, and to theletters of reference marked thereon.

The nature of my invention consists in, after having put on my silverlining on the inside of double glassware, covering the grooves cfmetallic stopper (marked A) with a substance composed of glue andcement, and then force it into the hole or the bottom of the silveredglassware, where it remains fast, as well as making it air-tight.

What I claim as my invention, and desire to secure by Letters Patent, is

The stopperiug of the hole on the bottom of double glassware silveredwith a metallic stopper, as herein described.

JOHN W'. HAINES. Witnesses:

LUTHER BRIGGS, HERBERT T. WVHITMAN.

